diff --git a/tildes/prospector.yaml b/tildes/prospector.yaml
index d6e20ca..d115a9a 100644
--- a/tildes/prospector.yaml
+++ b/tildes/prospector.yaml
@@ -30,7 +30,7 @@ pylint:
     - bad-continuation  # let Black handle line-wrapping
     - comparison-with-callable  # seems to have a lot of false positives
     - cyclic-import  # not sure what's triggering this, doesn't seem to work correctly
-    - logging-format-interpolation  # rather use f-strings than worry about this
+    - logging-fstring-interpolation  # rather use f-strings than worry about this
     - no-else-return  # elif after return - could refactor to enable this check
     - no-self-use  # schemas do this a lot, would be nice to only disable for schemas
     - too-few-public-methods  # plenty of classes that don't need multiple methods
diff --git a/tildes/requirements-dev.in b/tildes/requirements-dev.in
index 83f98ae..2a508df 100644
--- a/tildes/requirements-dev.in
+++ b/tildes/requirements-dev.in
@@ -2,7 +2,7 @@
 black
 freezegun
 mypy
-prospector==1.2.0
+prospector
 pyramid-debugtoolbar
 pytest
 pytest-mock
diff --git a/tildes/requirements-dev.txt b/tildes/requirements-dev.txt
index 5731659..635086c 100644
--- a/tildes/requirements-dev.txt
+++ b/tildes/requirements-dev.txt
@@ -2,7 +2,7 @@ ago==0.0.93
 alembic==1.4.2
 appdirs==1.4.4            # via black
 argon2-cffi==20.1.0
-astroid==2.3.3            # via prospector, pylint, pylint-celery, pylint-flask, requirements-detector
+astroid==2.4.1            # via prospector, pylint, pylint-celery, pylint-flask, requirements-detector
 attrs==19.3.0             # via black, pytest
 backcall==0.2.0           # via ipython
 beautifulsoup4==4.9.1
@@ -16,6 +16,8 @@ click==7.1.2
 cornice==5.0.1
 decorator==4.4.2          # via ipython, traitlets
 dodgy==0.2.1              # via prospector
+flake8-polyfill==1.0.2    # via pep8-naming
+flake8==3.8.3             # via flake8-polyfill
 freezegun==0.3.15
 gunicorn==20.0.4
 html5lib==1.1
@@ -31,7 +33,7 @@ lazy-object-proxy==1.4.3  # via astroid
 mako==1.1.3               # via alembic, pyramid-mako
 markupsafe==1.1.1         # via jinja2, mako, pyramid-jinja2
 marshmallow==3.7.1
-mccabe==0.6.1             # via prospector, pylint
+mccabe==0.6.1             # via flake8, prospector, pylint
 more-itertools==8.4.0     # via pytest
 mypy-extensions==0.4.3    # via mypy
 mypy==0.782
@@ -39,7 +41,7 @@ packaging==20.4           # via bleach, pytest
 parso==0.7.1              # via jedi
 pastedeploy==2.1.0        # via plaster-pastedeploy
 pathspec==0.8.0           # via black
-pep8-naming==0.4.1        # via prospector
+pep8-naming==0.10.0       # via prospector
 pexpect==4.8.0            # via ipython
 pickleshare==0.7.5        # via ipython
 pillow==7.2.0
@@ -49,22 +51,22 @@ plaster==1.0              # via plaster-pastedeploy, pyramid
 pluggy==0.13.1            # via pytest
 prometheus-client==0.8.0
 prompt-toolkit==3.0.5     # via ipython
-prospector==1.2.0
+prospector==1.3.0
 psycopg2==2.8.5
 ptyprocess==0.6.0         # via pexpect
 publicsuffix2==2.20160818
 py==1.9.0                 # via pytest
-pycodestyle==2.4.0        # via prospector
+pycodestyle==2.6.0        # via flake8, prospector
 pycparser==2.20           # via cffi
 pydocstyle==5.0.2         # via prospector
-pyflakes==2.1.1           # via prospector
+pyflakes==2.2.0           # via flake8, prospector
 pygit2==1.2.1
 pygments==2.6.1
 pylint-celery==0.3        # via prospector
-pylint-django==2.0.12     # via prospector
+pylint-django==2.0.15     # via prospector
 pylint-flask==0.6         # via prospector
 pylint-plugin-utils==0.6  # via prospector, pylint-celery, pylint-django, pylint-flask
-pylint==2.4.4             # via prospector, pylint-celery, pylint-django, pylint-flask, pylint-plugin-utils
+pylint==2.5.2             # via prospector, pylint-celery, pylint-django, pylint-flask, pylint-plugin-utils
 pyotp==2.4.0
 pyparsing==2.4.7          # via packaging
 pyramid-debugtoolbar==4.6.1
@@ -97,7 +99,7 @@ stripe==2.49.0
 testing.common.database==2.0.3  # via testing.redis
 testing.redis==1.1.1
 titlecase==1.1.1
-toml==0.10.1              # via black, pytest
+toml==0.10.1              # via black, pylint, pytest
 traitlets==4.3.3          # via ipython
 transaction==3.0.0        # via pyramid-tm, zope.sqlalchemy
 translationstring==1.4    # via pyramid
@@ -112,7 +114,7 @@ webassets==2.0            # via pyramid-webassets
 webencodings==0.5.1       # via bleach, html5lib
 webob==1.8.6              # via pyramid, webtest
 webtest==2.0.35
-wrapt==1.11.2
+wrapt==1.12.1
 zope.deprecation==4.4.0   # via pyramid, pyramid-jinja2
 zope.interface==5.1.0     # via pyramid, pyramid-webassets, transaction, zope.sqlalchemy
 zope.sqlalchemy==1.3